Weird Lear-Siegler ADM-3A board

[Noel Chiappa]

    > From: Eric Smith

    > The NS455 has firmware in masked ROM ...  The NS405 has the masked ROM
    > disabled

Ah, thanks muchly! Do you know of _any_ documentation extant for the 455? I
couldn't find anything..

    > I've been searching for the NS405 manual (not the datasheet) for a very
    > long time.

The data sheet seems pretty complete - are you sure there ever was a manual?

    Noel